MC: Introduce an ELF dwo object writer and teach llvm-mc about it.
Part of PR37466.
Differential Revision: https://reviews.llvm.org/D47051
llvm-svn: 332875
diff --git a/llvm/lib/MC/MCAsmBackend.cpp b/llvm/lib/MC/MCAsmBackend.cpp
index 213ea52..3119bb9 100644
--- a/llvm/lib/MC/MCAsmBackend.cpp
+++ b/llvm/lib/MC/MCAsmBackend.cpp
@@ -49,6 +49,16 @@
}
}
+std::unique_ptr<MCObjectWriter>
+MCAsmBackend::createDwoObjectWriter(raw_pwrite_stream &OS,
+ raw_pwrite_stream &DwoOS) const {
+ auto TW = createObjectTargetWriter();
+ if (TW->getFormat() != Triple::ELF)
+ report_fatal_error("dwo only supported with ELF");
+ return createELFDwoObjectWriter(cast<MCELFObjectTargetWriter>(std::move(TW)),
+ OS, DwoOS, Endian == support::little);
+}
+
Optional<MCFixupKind> MCAsmBackend::getFixupKind(StringRef Name) const {
return None;
}